1158049 has 4 divisors (see below), whose sum is σ = 1161364. Its totient is φ = 1154736.

The previous prime is 1158037. The next prime is 1158071. The reversal of 1158049 is 9408511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9408511 = 7 ⋅1344073.

It can be written as a sum of positive squares in 2 ways, for example, as 1040400 + 117649 = 1020^2 + 343^2 .

It is a cyclic number.

It is not a de Polignac number, because 1158049 - 2¹³ = 1149857 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1062 + ... + 1855.

It is an arithmetic number, because the mean of its divisors is an integer number (290341).

2^1158049 is an apocalyptic number.

It is an amenable number.

1158049 is a deficient number, since it is larger than the sum of its proper divisors (3315).

1158049 is an equidigital number, since it uses as much as digits as its factorization.

1158049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3314.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 1158049 is about 1076.1268512587. The cubic root of 1158049 is about 105.0128177852.

The spelling of 1158049 in words is "one million, one hundred fifty-eight thousand, forty-nine".